<template>
    <div class="home-category">
        <template v-if="cateList.length > 0">
            <ul class="menu">
                <li v-for="item in cateList" :key="item.id">
                    <span @click="onOtherPage(item.id, item.name)">{{item.name}}</span>
                    <template v-if="item.children.length > 0">
                        <span v-for="i in item.children" :key="i.id" @click="onOtherPage2(i.id)">{{i.name}}</span>
                    </template>
                    <!-- 弹层layer位置 -->
                    <div class="layer">
                        <h4>分类推荐 <small>根据您的购买或浏览记录推荐</small></h4>
                        <ul>
                            <li v-for="i in item.goods" :key="i.id">
                            <RouterLink :to="`/particulars/${i.id}`">
                                <img :src="i.picture" :alt="i.name" />
                                <div class="info">
                                <p class="name ellipsis-2">{{ i.name }}</p>
                                <p class="desc ellipsis">{{ i.desc }}</p>
                                <p class="price"><i>¥</i>{{ i.price }}</p>
                                </div>
                            </RouterLink>
                            </li>
                        </ul>
                    </div>
                </li>
            </ul>
        </template>
        <!-- 骨架屏占位 -->
        <template v-else>
            <ul class="menu">
                <li v-for="i in 9" :key="i">
                    <xtx-skeleton
                        :width="40"
                        :height="20"
                        style="margin-right: 5px"
                        bg="rgba(255,255,255,0.2)"
                    >
                    </xtx-skeleton>
                    <XtxSkeleton
                        :width="50"
                        :height="20"
                        bg="rgba(255,255,255,0.2)"
                        style="margin-right: 5px"
                    />
                    <XtxSkeleton :width="50" :height="20" bg="rgba(255,255,255,0.2)" />
                </li>
            </ul>
        </template>
    </div>
</template>

<script>
import XtxSkeleton from './XtxSkeleton.vue';

export default {
  components: { XtxSkeleton },
    name:"HomeCategory",
    data(){
        return {
            cateList:[]
        }
    },
    async created(){
        let res = await this.$http.CategoryList();
        // console.log(res.data.result)
        let list = res.data.result.map((item) => {
            return {
                id: item.id,
                name: item.name,
                goods: item.goods,
                children: item.children.slice(0, 2)
            }
        })
        this.cateList = list
        // console.log(this.cateList)

        const result = await this.$http.getHome();
        // console.log(result)
    },
    methods:{
        onOtherPage(id, name) {
            this.$router.push({
                path: '/about1',
                query: {
                id,
                name,
                },
            })
        },
        //二级事件
        onOtherPage2(id) {
            console.log(id)
            this.$router.push({
                path: '/about2',
                query: {
                id,
                },
            })
        },
    }
}
</script>

<style scoped lang="scss">
.home-category {
  width: 250px;
  height: 500px;
  background: rgba(0, 0, 0, 0.8);
  position: absolute;
  z-index: 99;
  // 左侧菜单
    .menu {
        height: 500px;
       > li {
            box-sizing: border-box;
            padding-left: 40px;
            height: 56px;
            line-height: 55px;
            span {
                margin-right: 4px;
                color: #fff;
                &:first-child {
                    font-size: 16px;
                }
                &:hover{
                    cursor: pointer;
                }
            }
                // 弹层默认不显示
            .layer {
                box-sizing: border-box;
                width: 990px;
                height: 500px;
                background: rgba(255, 255, 255, 0.8);
                position: absolute;
                left: 250px;
                top: 0;
                display: none;
                padding: 0 15px;
                h4 {
                    font-size: 20px;
                    font-weight: normal;
                    line-height: 80px;
                    small {
                        font-size: 16px;
                        color: #666;
                    }
                }
                ul {
                    display: flex;
                    flex-wrap: wrap;
                    li {
                        box-sizing: border-box;
                        width: 310px;
                        height: 120px;
                        margin-right: 15px;
                        margin-bottom: 15px;
                        border: 1px solid #eee;
                        border-radius: 4px;
                        background: #fff;
                        &:nth-child(3n) {
                            margin-right: 0;
                        }
                        a {
                            box-sizing: border-box;
                            display: flex;
                            width: 100%;
                            height: 100%;
                            align-items: center;
                            padding: 10px;
                            &:hover {
                                background: #e3f9f4;
                            }
                            img {
                                width: 95px;
                                height: 95px;
                            }
                            .info {
                                box-sizing: border-box;
                                padding-left: 10px;
                                line-height: 24px;
                                overflow: hidden;
                                .name {
                                    font-size: 16px;
                                    color: #666;
                                }
                                .desc {
                                    color: #999;
                                }
                                .price {
                                    font-size: 22px;
                                    color: #CF4444;
                                    i {
                                        font-size: 16px;
                                    }
                                }
                            }
                        }
                    }
                }
                    
            }
            // 显示弹层
            &:hover {
                background: #27BA9B;
                .layer {
                    display: block;
                }
            } 
        }
    } 
    .ellipsis, .ellipsis-2 {
        text-overflow: ellipsis;
        overflow: hidden;
    }
    .ellipsis {
        white-space: nowrap;
    }
}
</style>